Home / 695,473,339.60-1,043,210,009.40-686,403,413.20

Finding the Fourth Proportional to 695,473,339.60, 1,043,210,009.40 and 686,403,413.20

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Solution

The fourth proportional to 695,473,339.60, 1,043,210,009.40 and 686,403,413.20 is: 1,029,605,119.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,473,339.60 : 1,043,210,009.40 = 686,403,413.20 : x
  2. Step 2: Convert to fraction form
    695,473,339.60/1,043,210,009.40 = 686,403,413.20/x
  3. Step 3: Cross multiply
    695,473,339.60x = 1,043,210,009.40 × 686,403,413.20
  4. Step 4: Simplify right side
    695,473,339.60x = 716,062,911,136,564,096
  5. Step 5: Solve for x
    x = 716,062,911,136,564,096/695,473,339.60
  6. Step 6: Final answer
    x = 1,029,605,119.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.